thereabouts (adv.)youdaoicibaDictYouDict[thereabouts 词源字典]
early 15c., "in that area, around there; mid-15c., "near to that time, approximately thence," from Old English þær onbutan "about that place" + adverbial genitive -es; see there + about.[thereabouts etymology, thereabouts origin, 英语词源]